2021 PSLE Discussions and Strategies (Children born in 2009)
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Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2) -
Pinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Is this question considered tough in PSLE standard? I am trying to understand the difficulty level of the paper given that many feedback a tough paper today.
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2) -
a. $12, or 1200C
b. 1.026kgPinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2) -
Pinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2)
My son says that this was the hardest question in the paper, most could not solve. He thinks he got it wrong -
Pinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2)
My son says that this was the hardest question in the paper, most could not solve. He got part A but he forgot what he got for part B, he said he most likely got it wrong, like many of his classmates.
The answer for A is Helen and by $20 -
User1234567891011\" post_id=\"2040095\" time=\"1633072968\" user_id=\"195180:
Ok thanks. The reason I ask is because I saw these kind of qns before in my kids P5 maths homework (many years back). There is a certain method to solve the problem (which obviously i have forgotten about it).Pinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2)
My son says that this was the hardest question in the paper, most could not solve. He got part A but he forgot what he got for part B, he said he most likely got it wrong, like many of his classmates.
The answer for A is Helen and by $20 -
Is this paper 2? Question number? Didn’t check with my son as I want him focus on his other papers.
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My child got the answer of 1.026 kg and it took him too much time to work on that
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May I know the steps?
james_zyf\" post_id=\"2040094\" time=\"1633072939\" user_id=\"194962:
a. $12, or 1200C
b. 1.026kgPinkfellow\" post_id=\"2040092\" time=\"1633072706\" user_id=\"137321:
Helen and Ivan had the same number of coins. Helen had a number of 50-cent coins and 64 20-cent coins. These coins had a mass of 1.134 kg. Ivan had a number of 50-cent coins and 104 20-cent coins .
(a) Who has more money in coins and by how much?(2)
(b) given that each 50-cent coin is 2.7g more heavier than a 20-cent coin, what is the mass of Ivan’s coins in kilograms? (2) -
Peteo\" post_id=\"2040099\" time=\"1633073110\" user_id=\"133311:
Yes, Question 15.
Is this paper 2? Question number? Didn’t check with my son as I want him focus on his other papers.
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